CN106460358A - A coupler for a wheel loader - Google Patents
A coupler for a wheel loader Download PDFInfo
- Publication number
- CN106460358A CN106460358A CN201480077585.5A CN201480077585A CN106460358A CN 106460358 A CN106460358 A CN 106460358A CN 201480077585 A CN201480077585 A CN 201480077585A CN 106460358 A CN106460358 A CN 106460358A
- Authority
- CN
- China
- Prior art keywords
- stop pin
- axle
- adnexa
- screw thread
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3631—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a transversal locking element
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3636—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat using two or four movable transversal pins
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3668—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where engagement is effected by a mechanical lever or handle
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3672—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Agricultural Machines (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Pivots And Pivotal Connections (AREA)
- Shovels (AREA)
- Connection Of Plates (AREA)
Abstract
A coupler for a wheel loader is used for coupling an attachment(102) to a lifting arm of the wheel loader. A bracket(100) is installed between the lifting arm and the attachment(102).The bracket's back face is pivotally connected to a lifting arm and the bracket's front face is detachably connected to the attachment(102).The attachment(102) has a pair of protrusions (104a,104b) rearwardly extending from the lower back of the attachment(102) and have locking holes pierced through their width. The bracket has a pair of receiving slots(108a,108b) formed at the lower front of the bracket and engaged with the protrusions(104a,104b).The coupler has a shaft(202),and a pair of locking pins(204a,204b) combined with the shaft by threads(216a,216b).The threads (216a,216b)formed at one end of the shaft(202) are right handed and the threads (216a,216b) formed at the other end of the shaft(202) are left handed. When users turn the shaft(202)in one direction,the locking pins (204a,204b)are extended and engaged with the locking holes(a coupling position).When users turn the shaft in the other direction,the locking pins are shortened and released from the locking holes(a release position).
Description
Technical field
It relates to a kind of wheel loader, more particularly, to a kind of adnexa connector for wheel loader.
Background technology
Loader has for by the connection of adnexa and lift arm with separate or be used for each in such as scraper bowl, clamp or pallet fork
Plant the equipment changed between adnexa.
Connector is used for being combined adnexa with lift arm.Hydraulically powered interchangeable pin is generally used for adnexa connector
Locking.That is, guide appendages enable lock hole to be located at the position that interchangeable pin passes through, and then pass through in operating board
Control device guide these pins to be hydraulically actuated and access aperture in, thus adnexa and lift arm are locked.
Hydraulic-driven locking makes the relatively rapid replacing adnexa without departing from active station be possibly realized, but this needs various liquid
Pressure element, for example, actuator, conduit and valve, thus make complex structure.Further, since this hydraulic coupling depend on existing
Machine hydraulic system activating stop pin, so electromotor and whole machine should be opened.
On the other hand, manual connector structure is relatively easy, but each latched position connection between support and adnexa
Or separately need the substantial amounts of strength of user and time.
Content of the invention
According to the one side of the disclosure, provide a kind of work mechanism, in this example, there is provided a kind of wheel loader, wheel
Formula loader has the connector that adnexa is attached to lift arm.Connector is arranged on lift arm and such as scraper bowl, clamp or goods
Between the adnexa of fork.The back side of support is pivotably connected to lift arm, is detachably connected to adnexa before support.
Adnexa has and extends back and a pair of projection laterally separated from each other from the rear lower of adnexa.Described projection has
Penetrate the lock hole of its width.Described support has the front lower portion being formed at described support a pair of the appearance engaging with described projection
Receive groove.
The connector that projection is locked onto in corresponding holding tank includes being fixed to the axle of support by fixing device and leads to
Cross a pair of locking pins that screw thread is combined with described axle.
Axle has the screw thread being formed at two ends.The screw thread being formed at one end of described axle is dextrorotation, is formed at described axle
The screw thread of the other end be left-handed.Described stop pin is tubulose the end being inserted respectively into described axle.Described tubulose
The inner surface of the first stop pin has screw thread corresponding with the screw thread of the one end being formed at described axle.Similarly, described tubulose
The inner surface of the second stop pin has screw thread corresponding with the screw thread of the other end being formed at described axle.
Stop pin is divided into two parts in the vertical, i.e. has the outside of cylindrical cross section and has non-cylindrical horizontal stroke
The inside in section.Internal cross section can be partly flat cylinder or polygon.
A pair of keeper is set to each in support locking pin.Keeper is fixed to support.The contact surface of keeper
Corresponding to the non-cylindrical profile of the inside of stop pin, therefore, prevented stop pin from rotating when axle drives and rotates.That is, when
During axle rotation, stop pin is point-blank moved due to the interaction of screw thread.
When user (for example, clockwise) rotary shaft in one direction, the stop pin being arranged on the two ends of axle moves
Move away from central (stretching out), connector has adnexa binding site, and in adnexa binding site, stop pin stretches out and outside and prominent
The lock hole rising engages.Similarly, when user is along another direction (for example, counterclockwise) rotary shaft, it is arranged on axle
Two ends stop pin towards central authorities mobile (retraction), connector has adnexa off-position, in adnexa off-position, stop pin
Retract and outside discharges from the lock hole of projection.
Preferably, axle includes the drive division with polygonal crosssection, enables the user to by using such as spanner
Suitable instrument easily rotary shaft.
Preferably, the screw thread of the screw thread and stop pin that are formed at axle is multi start thread, this provide bigger pitch so that
Each revolution of helical pitch increases, and therefore, this can make strength used during user's rotary shaft minimize.
The connector of the disclosure is enabled a user to be combined by once contact rotating operation in work station or separates attached
Part, thus reduce the strength that user spent time-consuming.
Brief description
Fig. 1 is the connector of an embodiment and the perspective view of adnexa according to the disclosure；
Fig. 2 is the decomposition diagram of the connector of an embodiment according to the disclosure；
Fig. 3 A is shown in the connector of the fully extended binding site of stop pin；
Fig. 3 B is shown in the connector of the off-position that stop pin is fully retracted；
Fig. 4 is the perspective view of the support as viewed from lift arm side and the zoomed-in view of part " A "；
Fig. 5 is the decomposition diagram of the connector according to another embodiment of the disclosure.
Specific embodiment
Now embodiment of this disclosure is described in detail, its example shown in the drawings.Although will combine down
The embodiment in face describes the disclosure, however, it is understood that the following examples are not intended to for the disclosure to be limited only these enforcements
Example.On the contrary, the disclosure be intended to cover the alternative that may include in the spirit and scope of the present disclosure being defined by the claims,
Modification and equivalent.Additionally, in the specific embodiment of the disclosure, elaborating that a lot of concrete details have enabled to
Entirely understand the disclosure.However, embodiment of the disclosure can be put into practice in the case of there is no these details.
Fig. 1 shows the support 100 of an embodiment according to the disclosure and the perspective view of adnexa 102.Support 100 has
The back side and above, the back side is pivotably connected to the free end of the lift arm (not shown) of wheel loader, before removably
It is connected to adnexa 102.
Throughout whole embodiment and claim, wheel loader is the work mechanism that is applied to of connector of the disclosure
Example.It will be understood, therefore, that this connector be applicable to there is dismountable and interchangeable instrument each as adnexa
Plant work mechanism.Some examples of this work mechanism are wheel loader, track loaders, excavator and bull-dozer.Equally
Ground, scraper bowl is the example of adnexa that is applied to of connector of the disclosure.It should be understood that this connector may be used on various types of
Adnexa, for example, clamp, pallet fork, destroyer or pulverizer.
Adnexa 102 has a pair of hook 110a and 110b, hook 110a and 110b extend back from the upper back of adnexa 102 and
Laterally separated from each other.Support 100 has a pair of cross bar 112a and 112b of the front upper part being arranged on support 100.When by adnexa 102
When being attached to support 100, adnexa 102 band to support 100 and is made hook 110a and 110b connect with cross bar 112a and 112b by user
Close.
Adnexa 102 has a pair of projection 104a and 104b.Projection 104a and 104b extend back from the rear lower of adnexa 102
And it is laterally separated from each other.Projection 104a and 104b have lock hole 106a and 106b of the width penetrating them.Support 100 has
There is a pair of holding tank 108a and 108b.Holding tank 108a and 108b be formed at support 100 front lower portion and with projection 104a and
104b engages.
Fig. 2 illustrates the decomposition diagram of connector 200 in accordance with an embodiment of the present disclosure.
Connector 200 includes axle 202 and a pair of tubulose stop pin 204a and 204b being combined by screw thread with axle 202.
Axle 202 has screw thread 216a and 216b being formed at its two ends.The screw thread (216a) being formed at one end of axle 202 is
" dextrorotation ", and to be formed at the screw thread (216b) of the other end of axle 202 be " left-handed ".Stop pin 204a and 204b at least portion
Divide ground in a tubular form and be inserted respectively into the end of axle 202.
The inside of the first stop pin 204a of tubulose has the spiral shell corresponding with the screw thread 216a of the one end being formed at axle 202
Stricture of vagina 218a.Similarly, the inside of the second stop pin 204b of tubulose has the screw thread 216b phase with the other end being formed at axle 202
Corresponding screw thread 218b.
First stop pin 204a is divided into two parts in the vertical, i.e. the outside 212a of cylindrical cross section and non-cylindrical
The inside 210a of shape cross section.The cross section of internal 210a is formed as partly flat cylinder or polygon.
Similarly, the second stop pin 204b is divided into two parts in the vertical, i.e. the outside 212b of cylindrical cross section and
The inside 210b of non-cylindrical cross-section.The cross section of internal 210b is formed as partly flat cylinder or polygon.
A pair of keeper 214a and 214b is set to support corresponding stop pin 204a and 204b respectively.Keeper 214a and
214b is fixed to support 100.
The contact surface of the first keeper 214a corresponds to the non-cylindrical profile of the inside 210a of the first stop pin 204a.
Therefore, can prevent the first stop pin 204a from rotating when axle 202 is rotated by driving.In other words, when axle 202 rotates, the
One stop pin 204a is point-blank moved due to the interaction of screw thread.
Similarly, the contact surface of the second keeper 214b corresponds to the profile of the inside 210b of the second stop pin 204b.
Therefore, can prevent the second stop pin 204b from rotating when axle 202 is rotated by driving.In other words, when axle 202 rotates, the
Two stop pin 204b are point-blank moved due to the interaction of screw thread.
Preferably, the longitudinal length of internal 210a and 210b than stop pin 204a and 204b along axle 202 rectilinear movement
Stroke length or at least equal to stop pin 204a and 204b along axle 202 rectilinear movement stroke, thus in stop pin 204a and
All it is prevented from the rotation of stop pin 204a and 204b in the whole stroke of 204b.
When user (for example, clockwise) rotary shaft 202 in one direction, stop pin 204a and 204b is mobile remote
From central (stretching out), connector 200 is in adnexa binding site, and in binding site, stop pin 204a and 204b stretches out and he
Outside 212a and 212b engage with lock hole 106a and 106b of projection 104a and 104b.Fig. 3 A shows stop pin 204a
The position of this combination fully extended with 204b.
Similarly, when user is along another direction (for example, counterclockwise) rotary shaft 202, stop pin 204a and
204b is mobile (retraction) towards central authorities, and connector 200 is in adnexa off-position, in off-position, stop pin 204a and 204b
Retract and their outside 212a and 212b discharges from lock hole 106a and 106b of projection 104a and 104b.Fig. 3 B shows
The position of this release that stop pin 204a and 204b is fully retracted.
Preferably, screw thread 218a and 218b of screw thread 216a and 216b and stop pin 204a and 204b of axle 202 is multi-thread
Screw thread.Multi start thread makes each revolution of helical pitch of stop pin 204a and 204b increase.Therefore, stop pin 204a and 204b with respect to
The rotation of axle 202 can have longer rectilinear movement stroke.In the present embodiment, employ quadruple thread.Therefore, multi start thread
Strength used during user's rotary shaft can be made to minimize.
Preferably, axle 202 includes the drive division 208 with polygonal crosssection, enables the user to by using all
Suitable instrument easily rotary shaft 202 as spanner.In the present embodiment, the cross section of drive division 208 is hexagonal, and
Carry out rotary shaft 202 using die nut.
Fig. 4 shows the support 100 looked from lift arm side (that is, the back side of support 100) of embodiment of the disclosure
Perspective view and the zoomed-in view of part " A ".
With reference to Fig. 4, label 206a and 206b is the fixing device for axle 202 is attached to support 100.Fixing device
206a and 206b respectively in the right side of drive division 208 and left side in the less mode that rubs around axle 202, and in its edge
It is bolted to support 100.Can be using friction resistant material in the contact surface between fixing device 206a and 206b and axle 202
Or coating (not shown).
Support 100 has opening 304, to allow user to use spanner close to the drive division 208 of axle 202.
According to the rotation direction of axle 202, connector 200 has adnexa binding site and adnexa off-position, in bound site
Put, stop pin 204a and 204b is stretched out and engaged with lock hole 106a and 106b, in off-position, stop pin 204a and 204b contracts
Return and from lock hole 106a and 106b release.
Return to Fig. 1, label 114a and 114b is formed at the hole of outer wall 116a and 116b of holding tank 108a and 108b.?
The end of stop pin 204a and 204b is fixed by adnexa binding site, this some holes 114a and 114b.Hole 114a and 114b can use not
The end that stop pin 204a and 204b can be made is exposed to the depression of outer wall 116a and 116b to substitute.
Embodiment in accordance with the above, user can be by one direction or along another direction simply rotary shaft
Just can achieve the combination of adnexa and machine or separate.Embodiment provides such a operating of contacts so that user is tied in work station
The strength that conjunction/detached accessories is spent minimizes and time-consuming.
Fig. 5 shows the decomposition diagram of the connector according to another embodiment of the disclosure.
Fig. 5 illustrate only stop pin 412b in a pair of locking pins without illustrating the stop pin of offside.However, offside
Stop pin and stop pin 412b have identical 26S Proteasome Structure and Function, therefore do not need other details to be just appreciated that.
In the present embodiment, the cross section of stop pin 412b along its whole length direction or at least along it lock with projection
The outside determining hole joint is in non-cylindrical.The cross section of this stop pin 412b is formed as partly flat cylinder or polygon
Shape.
In the present embodiment, the contact surface 414 of the lock hole 416 of projection corresponds to the profile of stop pin 412b, i.e. non-
Cylindrical cross section, thus prevent the stop pin 412 when stop pin 412 is inserted into lock hole 416 from rotating.It is formed at holding tank
The contact surface in the hole 418 of 422 inwall 420 also corresponds to the profile of stop pin 412b, i.e. non-cylindrical cross-section.Pass through
This construction, when axle 402 rotates, stop pin 412b is point-blank moved due to the interaction of screw thread, from without this
This keeper shown in disclosed first embodiment.
Although referring to the drawings in preferred embodiment describe the present invention, it would be appreciated that without departing from by
In the case of the scope of the present invention that claim is recorded, here using equivalent and can be replaced.
Claims (21)
1. a kind of connector of the free end for adnexa being detachably connected to the lift arm on wheel loader, including：
Support, has the back side being pivotably connected to described lift arm and is detachably connected to before described adnexa；
First projection and the second projection, extend back and laterally separated from each other from the rear lower of described adnexa, and described first dashes forward
Act first lock hole with the width penetrating the first projection, described second projection has the second of the width penetrating the second projection
Lock hole；
First holding tank and the second holding tank, be formed at described support front lower portion and respectively with described first projection and described
Two projections engage；
Axle, has the screw thread being formed at two ends and is arranged on the bottom of described support, wherein, be formed at the spiral shell of one end of described axle
Stricture of vagina is dextrorotation, and the screw thread being formed at the other end of described axle is left-handed；
First stop pin, has screw thread corresponding with the screw thread of the one end being formed at described axle；
Second stop pin, has screw thread corresponding with the screw thread of the other end being formed at described axle；
First keeper, is fixed to described support and supports described first stop pin, to be prevented when described axle drives and rotates
Only described first stop pin rotation, so that described first stop pin can be for linear motion and make described first stop pin
Can not rotate；
Second keeper, is fixed to described support and supports described second stop pin, to be prevented when described axle drives and rotates
Only described second stop pin rotation, so that described second stop pin can be for linear motion and make described second stop pin
Can not rotate；
Wherein, described connector has adnexa binding site and adnexa off-position, in adnexa binding site, when described axle is along one
When individual direction rotates, described stop pin is stretched out and is engaged with the described lock hole of described projection, in adnexa off-position, when described
Axle along another direction rotate when, described stop pin is retracted the simultaneously described lock hole release from described projection.
2. connector according to claim 1, wherein,
Described first stop pin is divided into the outside of cylindrical cross section and the inside of non-cylindrical cross-section in the vertical, described
Outside can be engaged with described first lock hole；
Described second stop pin is divided into the outside of cylindrical cross section and the inside of non-cylindrical cross-section in the vertical, described
Outside can be engaged with described second lock hole；
Described first keeper has the corresponding contact surface of non-cylindrical profile with the described inside of described first stop pin；
Described second keeper has the corresponding contact surface of non-cylindrical profile with the described inside of described second stop pin.
3. connector according to claim 2, wherein,
The cross section of the described inside of described first stop pin is in partly flat cylinder；
The cross section of the described inside of described second stop pin is in partly flat cylinder.
4. connector according to claim 2, wherein,
The cross section of the described inside of described first stop pin is in polygon；
The cross section of the described inside of described second stop pin is in polygon.
5. connector according to claim 2, wherein,
The longitudinal length of the described inside of described first stop pin than described first stop pin along described axle linear motion stroke
Long, or the longitudinal length of the described inside of described first stop pin at least equal to described first stop pin along described axle straight line
Movement travel；
The longitudinal length of the described inside of described second stop pin than described second stop pin along described axle linear motion stroke
Long, or the longitudinal length of the described inside of described second stop pin at least equal to described second stop pin along described axle straight line
Movement travel.
6. connector according to claim 1, wherein,
Described first stop pin is tubulose, and the described screw thread of the first stop pin of described tubulose is formed at described tubulose
The inner surface of the first stop pin；
Described second stop pin is tubulose, and the described screw thread of the second stop pin of described tubulose is formed at described tubulose
The inner surface of the second stop pin.
7. connector according to claim 1, wherein,
Being formed at described axle and the described screw thread of described stop pin is multi start thread, thus each revolution of helical pitch increases.
8. connector according to claim 6, wherein,
Being formed at described axle and the described screw thread of described stop pin is multi start thread, thus each revolution of helical pitch increases.
9. connector according to claim 1, wherein, described axle also includes：
There is the drive division of polygonal crosssection.
10. connector according to claim 1, also includes：
Fixing device, around described axle, and the edge of described fixing device is fixed to described support.
11. connectors according to claim 9, also include：
First fixing device, on the right side of described drive division around described axle, and the edge of the first fixing device is fixed to institute
State support；
Second fixing device, in the left side of described drive division around described axle, and the edge of the second fixing device is fixed to institute
State support.
12. connectors according to claim 1, wherein,
Described first holding tank has the outer wall with the first hole, and the first hole accommodates in adnexa binding site and fixes described first lock
The end of rationed marketing；
Described second holding tank has the outer wall with the second hole, and the second hole accommodates in adnexa binding site and fixes described second lock
The end of rationed marketing.
13. connectors according to claim 1, wherein,
Described first holding tank has the outer wall with the first depression, and the first depression accommodates in adnexa binding site and fixes described the
The end of one stop pin；
Described second holding tank has the outer wall with the second depression, and the second depression accommodates in adnexa binding site and fixes described the
The end of two stop pins.
A kind of 14. connectors of the free end for adnexa being detachably connected to the lift arm on wheel loader, including：
Support, has the back side being pivotably connected to described lift arm and is detachably connected to before described adnexa；
First projection and the second projection, extend back and laterally separated from each other from the rear lower of described adnexa, and described first dashes forward
Act first lock hole with the width penetrating the first projection, described second projection has the second of the width penetrating the second projection
Lock hole；
First holding tank and the second holding tank, be formed at described support front lower portion and respectively with described first projection and described
Two projections engage；
Axle, has the screw thread being formed at two ends and is arranged on the bottom of described support, wherein, be formed at the spiral shell of one end of described axle
Stricture of vagina is dextrorotation, and the screw thread being formed at the other end of described axle is left-handed；
First stop pin, has a screw thread corresponding with the screw thread of the one end being formed at described axle, described first stop pin transversal
Face is in partly non-cylindrical, and described first lock hole corresponds to described first stop pin with the contact surface of described first stop pin
Described non-cylindrical profile；
Second stop pin, has screw thread corresponding with the screw thread of the other end being formed at described axle, the horizontal stroke of described second stop pin
Section is in partly non-cylindrical, and described second lock hole corresponds to described second locking with the contact surface of described second stop pin
The described non-cylindrical profile of pin；
Wherein, described connector has adnexa binding site and adnexa off-position, in adnexa binding site, when described axle is along one
When individual direction rotates, described stop pin is stretched out and is engaged with the described lock hole of described projection, in adnexa off-position, when described
Axle along another direction rotate when, described stop pin is retracted the simultaneously described lock hole release from described projection.
15. connectors according to claim 14, wherein,
The cross section of described first stop pin is in partly flat cylinder；
The cross section of described second stop pin is in partly flat cylinder.
16. connectors according to claim 14, wherein,
The cross section of described first stop pin is in polygon；
The cross section of described second stop pin is in polygon.
17. connectors according to claim 14, wherein,
Described first stop pin is tubulose, and the described screw thread of the first stop pin of described tubulose is formed at described tubulose
The inner surface of the first stop pin；
Described second stop pin is tubulose, and the described screw thread of the second stop pin of described tubulose is formed at described tubulose
The inner surface of the second stop pin.
18. connectors according to claim 14, wherein,
Being formed at described axle and the described screw thread of described stop pin is multi start thread, thus each revolution of helical pitch increases.
19. connectors according to claim 14, wherein, described axle also includes：
There is the drive division of polygonal crosssection.
20. connectors according to claim 14, also include：
Fixing device, around described axle, and the edge of described fixing device is fixed to described support.
21. connectors according to claim 19, also include：
First fixing device, on the right side of described drive division around described axle, and the edge of the first fixing device is fixed to institute
State support；
Second fixing device, in the left side of described drive division around described axle, and the edge of the second fixing device is fixed to institute
State support.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/074212 WO2015143673A1 (en) | 2014-03-27 | 2014-03-27 | A coupler for a wheel loader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106460358A true CN106460358A (en) | 2017-02-22 |
| CN106460358B CN106460358B (en) | 2018-10-09 |
Family
ID=54193911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480077585.5A Active CN106460358B (en) | 2014-03-27 | 2014-03-27 | The hookup of wheel loader |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20170107684A1 (en) |
| EP (1) | EP3122945A4 (en) |
| CN (1) | CN106460358B (en) |
| WO (1) | WO2015143673A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2544789B (en) * | 2015-11-27 | 2019-04-17 | Caterpillar Inc | A worktool conversion bracket |
| EP3263771B1 (en) | 2016-06-30 | 2019-11-06 | Caterpillar Paving Products Inc. | Quick change milling assembly for a cold planer |
| US10934670B1 (en) | 2019-09-11 | 2021-03-02 | Caterpillar Paving Products Inc. | Quick change chamber for milling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6385872B1 (en) * | 1999-05-28 | 2002-05-14 | Liebherr-Hydraulikbagger Gmbh | Rapid coupling for excavation implements |
| CN1774547A (en) * | 2003-04-16 | 2006-05-17 | 沃尔沃建造设备控股（瑞典）有限公司 | Working machine comprising an implement coupling and an implement locking element |
| WO2010084012A1 (en) * | 2009-01-23 | 2010-07-29 | Gianluca Malacrino | Quick coupling device for work vehicles and machines in general |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096957A (en) * | 1977-07-18 | 1978-06-27 | Caterpillar Tractor Co. | Pivot pin assembly |
| DE9315868U1 (en) * | 1993-10-18 | 1995-02-16 | Liebherr-Hydraulikbagger GmbH, 88457 Kirchdorf | clutch |
| DE29708705U1 (en) * | 1997-05-16 | 1997-07-10 | Caterpillar Vibra-Ram GmbH & Co.KG, 66482 Zweibrücken | Demolition device for heavy loads, especially demolition or scrap shears |
| US6227792B1 (en) * | 1997-06-30 | 2001-05-08 | Caterpillar S.A.R.L. | Vertical engagement hydraulic tool coupler |
| US7225566B1 (en) * | 2003-04-09 | 2007-06-05 | Jrb Attachments, Llc | Hybrid male coupler portion for a front-end loader |
| US7168908B2 (en) * | 2005-04-27 | 2007-01-30 | Caterpillar Inc | Work tool coupling device for a machine |
| CN104563186A (en) * | 2006-04-20 | 2015-04-29 | 卡特彼勒公司 | Quick coupler |
| CA2723712C (en) | 2008-05-07 | 2016-08-30 | Attachment Technologies, Inc. | Zero offset loader coupling system and components |
| CA2731443A1 (en) * | 2011-02-09 | 2012-08-09 | Garier Inc. | Quick coupler for earth working machines |
-
2014
- 2014-03-27 US US15/129,027 patent/US20170107684A1/en not_active Abandoned
- 2014-03-27 WO PCT/CN2014/074212 patent/WO2015143673A1/en active Application Filing
- 2014-03-27 CN CN201480077585.5A patent/CN106460358B/en active Active
- 2014-03-27 EP EP14887157.7A patent/EP3122945A4/en not_active Withdrawn
-
2019
- 2019-05-28 US US16/423,520 patent/US10676891B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6385872B1 (en) * | 1999-05-28 | 2002-05-14 | Liebherr-Hydraulikbagger Gmbh | Rapid coupling for excavation implements |
| CN1774547A (en) * | 2003-04-16 | 2006-05-17 | 沃尔沃建造设备控股（瑞典）有限公司 | Working machine comprising an implement coupling and an implement locking element |
| WO2010084012A1 (en) * | 2009-01-23 | 2010-07-29 | Gianluca Malacrino | Quick coupling device for work vehicles and machines in general |
Also Published As
| Publication number | Publication date |
|---|---|
| US10676891B2 (en) | 2020-06-09 |
| EP3122945A1 (en) | 2017-02-01 |
| US20170107684A1 (en) | 2017-04-20 |
| EP3122945A4 (en) | 2017-11-08 |
| US20190277003A1 (en) | 2019-09-12 |
| WO2015143673A1 (en) | 2015-10-01 |
| CN106460358B (en) | 2018-10-09 |
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